Fix the meaning of broadcast dim parameter

example/19_gemm_softmax/gemm_softmax_xdl_fp16.cpp

@@ -223,7 +223,7 @@ void host_broadcast2D(
         {
             ComputeDataType Amn = static_cast<ComputeDataType>(A(m, n));
             ComputeDataType Cmn = 0;
-            if constexpr(broadcastDim == 1)
+            if constexpr(broadcastDim == 0)
             {
                 ComputeDataType Bn = static_cast<ComputeDataType>(B(n));
                 functor(Cmn, Amn, Bn);
@@ -516,7 +516,7 @@ int main(int argc, char* argv[])
                          Tensor<CDataType>,
                          EltwiseComputeDataType,
                          Sub_Exp,
-                         1>(host_exp_m_n, c_m_n, c_n_max, M, N, Sub_Exp{});
+                         0>(host_exp_m_n, c_m_n, c_n_max, M, N, Sub_Exp{});
 
         host_reduce_sum.Run(1, // alpha
                             reinterpret_cast<const HostReduceDataType*>(exp_m_n.mData.data()),
@@ -529,7 +529,7 @@ int main(int argc, char* argv[])
                          Tensor<CDataType>,
                          EltwiseComputeDataType,
                          Div,
-                         1>(host_softmax_m_n, exp_m_n, exp_n_sum, M, N, Div{});
+                         0>(host_softmax_m_n, exp_m_n, exp_n_sum, M, N, Div{});
 
         bool result = true;
         if(result &= ck::utils::check_err(c_m_n.mData, host_c_m_n.mData))